A drug (e.g. ,atropine) that blocks the effects of the vagus nerve
A) stops the heart.
B) increases heart rate.
C) decreases cardiac output.
D) decreases stroke volume.
Correct Answer:
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Q12: Heart rate and stroke volume determine
A)hematocrit.
B)total blood
Q13: Which of the following is most likely
Q14: Activation of the muscarinic receptors by acetylcholine
A)increases
Q15: What term refers to the amount of
Q16: Sympathetic nerve stimulation of the myocardium
A)causes a
Q18: What happens during ventricular diastole?
A)The ventricles are
Q19: Which of the following is most likely
Q20: Which of the following is the most
Q21: Increased afterload (e.g. ,hypertension)
A)is usually caused by
Q22: An ejection fraction of 30% is
A)normal.
B)characteristic of
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